For the Generalized Linear Model (GLM), under some conditions including that the specification of the expectation is correct, it is shown that the Quasi Maximum
This paper reviews the research on land use change and its corresponding ecological responses. Patterns of land use changes in spatio-temporal level are produce
This research was designed to help solve existing sustainable use problems such as soil nutrient loss and soil fertility decline in natural rubber plantations l
Nitrogen, phosphorus, and potassium balances for agroecosystems in China from 1993 to 2001 were calculated at national and provincial levels using statistical d
The method of residue analysis of a new synthesized fungicide 2-allylphenol was studied by simulating the active compound structure in Gingko tree( Gingko bilob
一颗直径约400米、体积与一艘航母相似的小行星于美国东部时间2011年11月8日6时28分与地球擦肩而过。与地球相差的距离是32.46万千米,假如撞击地球将相当于500枚核弹同时在地
The track of Typhoon Haitang (0505), which passed through the Taiwan Island and landed again,has been successfully simulated by using the non-hydrostatic mesosc
前面说过，大脑需要使用“水分能量泵”产生大量电能。在脱水状态下，大脑内部的能量就会陷入低水平，三磷酸腺苷的能量储存将会逐渐耗尽，因为某些区域需要更多的能量供给。
集群经济下的中小企业集群是依据专业化分工和协作关系建立起来的中间体制组织,这类组织运作灵活,效率较高,但面对高度信息化的市场竞争,也存在新技术开发困难等问题。文中针对集群经济的特点及缺陷,提出了通过信息化应用服务平台的建设提升集群经济下的中小企业创新能力及综合竞争能力的对策,给出了面向集群经济的中小企业信息化服务平台的体系结构,并对集群经济中小企业信息化服务平台的建设和实施策略进行了研究,最后给出
在现代建筑工程建设中,机电设备安装工程是建筑工程中不可缺少的重要组成部分,其施工活动从设备采购开始、涉及到安装、调试、生产运行、竣工验收各个阶段.为使机电安装工程